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Argon Forty Argon ONE V2 Aluminum Case for Raspberry Pi 4 vs Lian Li A3-mATX-WD-26.3L Micro Form Factor

Updated July 2026 — Lian Li A3-mATX-WD-26.3L Micro Form Factor leads on volume and height.

The Argon ONE V2 is an excellent choice for Raspberry Pi users seeking affordability and efficient cooling, while the Lian Li A3 offers versatility and advanced features for PC builders.

Why Argon Forty Argon ONE V2 Aluminum Case for Raspberry Pi 4 is better

Price

Argon ONE V2 is significantly cheaper at $25.00.

Cooling

Argon ONE V2 has effective cooling for Raspberry Pi.

Target Audience

Designed specifically for Raspberry Pi enthusiasts.

Why Lian Li A3-mATX-WD-26.3L Micro Form Factor is better

Versatility

Lian Li A3 supports mATX and ITX builds.

Build Quality

Lian Li A3 features a stylish wood front panel.

Cooling Options

Lian Li A3 supports multiple fans and radiators.

Overall score

Argon Forty Argon ONE V2 Aluminum Case for Raspberry Pi 4
75
Lian Li A3-mATX-WD-26.3L Micro Form Factor
85

Specifications

SpecArgon Forty Argon ONE V2 Aluminum Case for Raspberry Pi 4Lian Li A3-mATX-WD-26.3L Micro Form Factor
Cooling TypePassive/ActiveHigh Airflow
MaterialAluminumSteel/Wood
Expansion SlotsLimited4 Slots
GPU SupportLimitedUp to 415mm
Power SupplyN/AFlexible

Dimension comparison

Argon Forty Argon ONE V2 Aluminum Case for Raspberry Pi 4Lian Li A3-mATX-WD-26.3L Micro Form Factor

Overview of the Argon ONE V2 and Lian Li A3

The Argon ONE V2 is priced at $25.00, while the Lian Li A3 comes in at $89.99, making the Argon ONE V2 about 72% cheaper. While both cases cater to different audiences, they serve essential roles in their respective markets. The Argon ONE V2 is specifically designed for the Raspberry Pi 4, focusing on efficient cooling and performance. In contrast, the Lian Li A3 is a versatile chassis for mATX and ITX builds, offering flexibility and airflow.

Target Audience

The Argon ONE V2 targets Raspberry Pi enthusiasts and developers, providing a specialized solution for those who want to maximize their Raspberry Pi 4's performance. Its features, such as passive and active cooling, make it ideal for users who need dependable performance for projects. On the other hand, the Lian Li A3 targets PC builders looking for a compact yet powerful chassis that can accommodate high-end components. This case supports larger GPUs and multiple cooling solutions, making it appealing to gamers and performance users.

Cooling Solutions

Cooling is one of the standout features for both products, but they approach it differently. The Argon ONE V2 utilizes a combination of passive cooling through its aluminum construction and an active 30mm fan to maintain optimal temperatures. This design is critical for Raspberry Pi users who want to prevent overheating during intensive tasks. Conversely, the Lian Li A3 is designed for high airflow with steel mesh panels and supports up to 10 x 120mm fans and a 360mm radiator. This makes it an excellent choice for those who plan to build powerful gaming rigs or workstations that generate significant heat.

Build Quality and Materials

In terms of build quality, the Argon ONE V2 is constructed from aluminum, which not only enhances durability but also aids in heat dissipation. The case's design is sleek and modern, making it visually appealing for desktop setups. The Lian Li A3, meanwhile, features a wood front panel combined with a modular design. This gives it an aesthetic edge, especially for those who appreciate a minimalist look. However, the use of steel mesh panels also ensures structural integrity and longevity, catering to users who prioritize robust builds.

Expandability and Modularity

The Argon ONE V2 allows for some expandability, particularly with the option to add M.2 SATA or NVMe expansion boards for enhanced storage capabilities. This feature is beneficial for users who want to extend their Raspberry Pi 4’s functionality. In contrast, the Lian Li A3 excels in modularity, accommodating mATX and ITX motherboards with four expansion slots and the ability to support GPUs up to 415mm. This flexibility makes it suitable for various hardware configurations, appealing to those who may want to upgrade their systems over time.

Aesthetics and Design

When it comes to aesthetics, the Argon ONE V2 has a clean and functional design that emphasizes cooling and accessibility. It is available in a simple aluminum finish that fits well in any setup, especially for tech enthusiasts. The Lian Li A3 stands out with its unique walnut wood front panel, giving it a stylish and modern flair. This design choice makes it more than just a functional component; it can also serve as a statement piece in a gaming or workstation environment.

Price and Value

Price is a significant factor when comparing the two cases. The Argon ONE V2 is priced at $25.00, making it an economical choice for Raspberry Pi users who need a reliable cooling solution without breaking the bank. On the other hand, the Lian Li A3, at $89.99, is more expensive but offers advanced features and versatility for PC builders. Buyers must consider whether the additional features and aesthetics of the Lian Li A3 justify the higher price point for their specific needs.

Which should you buy?

Ultimately, the choice between the Argon ONE V2 and the Lian Li A3 depends on your specific needs. If you are a Raspberry Pi user seeking an affordable, efficient cooling solution, the Argon ONE V2 is the clear winner at $25.00. However, if you are building a more complex PC setup and require a versatile chassis capable of housing high-end components, the Lian Li A3 is worth the investment at $89.99. Each case excels in its category, so the best option varies based on individual requirements and budget considerations.